President Barack Obama's hopes of winning Arizona in the November election appear to be fading as former Gov. Mitt Romney has widened his lead in fundraising and is ahead in the latest polls in the state.

A bruising Republican primary between former friends and political allies U.S. Rep. Jeff Flake and Mesa investor Wil Cardon is complicating GOP efforts to hold on to the retiring U.S. Sen. Jon Kyl's seat.